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asm.h revision 1.7
      1  1.7      cgd /*	$NetBSD: asm.h,v 1.7 1994/10/27 04:15:56 cgd Exp $	*/
      2  1.7      cgd 
      3  1.1  mycroft /*-
      4  1.1  mycroft  * Copyright (c) 1990 The Regents of the University of California.
      5  1.1  mycroft  * All rights reserved.
      6  1.1  mycroft  *
      7  1.1  mycroft  * This code is derived from software contributed to Berkeley by
      8  1.1  mycroft  * William Jolitz.
      9  1.1  mycroft  *
     10  1.1  mycroft  * Redistribution and use in source and binary forms, with or without
     11  1.1  mycroft  * modification, are permitted provided that the following conditions
     12  1.1  mycroft  * are met:
     13  1.1  mycroft  * 1. Redistributions of source code must retain the above copyright
     14  1.1  mycroft  *    notice, this list of conditions and the following disclaimer.
     15  1.1  mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  mycroft  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  mycroft  *    documentation and/or other materials provided with the distribution.
     18  1.1  mycroft  * 3. All advertising materials mentioning features or use of this software
     19  1.1  mycroft  *    must display the following acknowledgement:
     20  1.1  mycroft  *	This product includes software developed by the University of
     21  1.1  mycroft  *	California, Berkeley and its contributors.
     22  1.1  mycroft  * 4. Neither the name of the University nor the names of its contributors
     23  1.1  mycroft  *    may be used to endorse or promote products derived from this software
     24  1.1  mycroft  *    without specific prior written permission.
     25  1.1  mycroft  *
     26  1.1  mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  1.1  mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  1.1  mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.1  mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  1.1  mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  1.1  mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  1.1  mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.1  mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.1  mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.1  mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.1  mycroft  * SUCH DAMAGE.
     37  1.1  mycroft  *
     38  1.7      cgd  *	@(#)asm.h	5.5 (Berkeley) 5/7/91
     39  1.1  mycroft  */
     40  1.1  mycroft 
     41  1.3  mycroft #ifndef _I386_ASM_H_
     42  1.3  mycroft #define _I386_ASM_H_
     43  1.1  mycroft 
     44  1.4       pk #ifdef PIC
     45  1.4       pk #define PIC_PROLOGUE	\
     46  1.4       pk 	pushl	%ebx;	\
     47  1.4       pk 	call	1f;	\
     48  1.4       pk 1:			\
     49  1.4       pk 	popl	%ebx;	\
     50  1.4       pk 	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
     51  1.4       pk #define PIC_EPILOGUE	\
     52  1.4       pk 	popl	%ebx
     53  1.4       pk #define PIC_PLT(x)	x@PLT
     54  1.4       pk #define PIC_GOT(x)	x@GOT(%ebx)
     55  1.4       pk #define PIC_GOTOFF(x)	x@GOTOFF(%ebx)
     56  1.4       pk #else
     57  1.4       pk #define PIC_PROLOGUE
     58  1.4       pk #define PIC_EPILOGUE
     59  1.4       pk #define PIC_PLT(x)	x
     60  1.4       pk #define PIC_GOT(x)	x
     61  1.4       pk #define PIC_GOTOFF(x)	x
     62  1.4       pk #endif
     63  1.4       pk 
     64  1.6      jtc #ifdef __STDC__
     65  1.6      jtc # define _C_LABEL(x)	_ ## x
     66  1.1  mycroft #else
     67  1.6      jtc # define _C_LABEL(x)	_/**/x
     68  1.1  mycroft #endif
     69  1.6      jtc #define	_ASM_LABEL(x)	x
     70  1.6      jtc 
     71  1.6      jtc #define _ENTRY(x) \
     72  1.6      jtc 	.text; .align 2; .globl x; .type x,@function; x:
     73  1.1  mycroft 
     74  1.6      jtc #ifdef PROF
     75  1.6      jtc # define _PROF_PROLOGUE	\
     76  1.6      jtc 	pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp
     77  1.1  mycroft #else
     78  1.6      jtc # define _PROF_PROLOGUE
     79  1.1  mycroft #endif
     80  1.1  mycroft 
     81  1.6      jtc #define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
     82  1.6      jtc #define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
     83  1.1  mycroft 
     84  1.1  mycroft #define	ASMSTR		.asciz
     85  1.5      jtc 
     86  1.5      jtc #define RCSID(x)	.text; .asciz x
     87  1.1  mycroft 
     88  1.3  mycroft #endif /* !_I386_ASM_H_ */
     89